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+--
+-- This file is part of TALER
+-- Copyright (C) 2014--2023 Taler Systems SA
+--
+-- TALER is free software; you can redistribute it and/or modify it under the
+-- terms of the GNU General Public License as published by the Free Software
+-- Foundation; either version 3, or (at your option) any later version.
+--
+-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+-- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License along with
+-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
+--
+
+CREATE FUNCTION create_table_close_requests(
+ IN partition_suffix TEXT DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+ table_name TEXT DEFAULT 'close_requests';
+BEGIN
+ PERFORM create_partitioned_table(
+ 'CREATE TABLE %I '
+ '(close_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
+ ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)'
+ ',close_timestamp INT8 NOT NULL'
+ ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
+ ',close taler_amount NOT NULL'
+ ',close_fee taler_amount NOT NULL'
+ ',payto_uri TEXT NOT NULL'
+ ',done BOOL NOT NULL DEFAULT(FALSE)'
+ ',PRIMARY KEY (reserve_pub,close_timestamp)'
+ ') %s ;'
+ ,table_name
+ ,'PARTITION BY HASH (reserve_pub)'
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_table(
+ 'Explicit requests by a reserve owner to close a reserve immediately'
+ ,table_name
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_column(
+ 'When the request was created by the client'
+ ,'close_timestamp'
+ ,table_name
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_column(
+ 'Signature affirming that the reserve is to be closed'
+ ,'reserve_sig'
+ ,table_name
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_column(
+ 'Balance of the reserve at the time of closing, to be wired to the associated bank account (minus the closing fee)'
+ ,'close'
+ ,table_name
+ ,partition_suffix
+ );
+ PERFORM comment_partitioned_column(
+ 'Identifies the credited bank account. Optional.'
+ ,'payto_uri'
+ ,table_name
+ ,partition_suffix
+ );
+END $$;
+
+
+CREATE FUNCTION constrain_table_close_requests(
+ IN partition_suffix TEXT
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+ table_name TEXT DEFAULT 'close_requests';
+BEGIN
+ table_name = concat_ws('_', table_name, partition_suffix);
+ EXECUTE FORMAT (
+ 'CREATE INDEX ' || table_name || '_by_close_request_uuid_index '
+ 'ON ' || table_name || ' '
+ '(close_request_serial_id);'
+ );
+ EXECUTE FORMAT (
+ 'CREATE INDEX ' || table_name || '_by_close_request_done_index '
+ 'ON ' || table_name || ' '
+ '(done);'
+ );
+ EXECUTE FORMAT (
+ 'ALTER TABLE ' || table_name ||
+ ' ADD CONSTRAINT ' || table_name || '_close_request_uuid_pkey'
+ ' UNIQUE (close_request_serial_id)'
+ );
+END
+$$;
+
+
+CREATE FUNCTION foreign_table_close_requests()
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+ table_name TEXT DEFAULT 'close_requests';
+BEGIN
+ EXECUTE FORMAT (
+ 'ALTER TABLE ' || table_name ||
+ ' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub'
+ ' FOREIGN KEY (reserve_pub) '
+ ' REFERENCES reserves(reserve_pub) ON DELETE CASCADE'
+ );
+END
+$$;
+
+
+CREATE OR REPLACE FUNCTION close_requests_insert_trigger()
+ RETURNS trigger
+ LANGUAGE plpgsql
+ AS $$
+BEGIN
+ INSERT INTO reserve_history
+ (reserve_pub
+ ,table_name
+ ,serial_id)
+ VALUES
+ (NEW.reserve_pub
+ ,'close_requests'
+ ,NEW.close_request_serial_id);
+ RETURN NEW;
+END $$;
+COMMENT ON FUNCTION close_requests_insert_trigger()
+ IS 'Automatically generate reserve history entry.';
+
+
+CREATE FUNCTION master_table_close_requests()
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+BEGIN
+ CREATE TRIGGER close_requests_on_insert
+ AFTER INSERT
+ ON close_requests
+ FOR EACH ROW EXECUTE FUNCTION close_requests_insert_trigger();
+END $$;
+
+
+
+INSERT INTO exchange_tables
+ (name
+ ,version
+ ,action
+ ,partitioned
+ ,by_range)
+ VALUES
+ ('close_requests'
+ ,'exchange-0002'
+ ,'create'
+ ,TRUE
+ ,FALSE),
+ ('close_requests'
+ ,'exchange-0002'
+ ,'constrain'
+ ,TRUE
+ ,FALSE),
+ ('close_requests'
+ ,'exchange-0002'
+ ,'foreign'
+ ,TRUE
+ ,FALSE),
+ ('close_requests'
+ ,'exchange-0002'
+ ,'master'
+ ,TRUE
+ ,FALSE);